Oranges are healthy because they have vitamin C in them which is good for your immune system.
Milk is healthy because it has calcium which is good for your bones.
Fish is healthy because is has vitamin B which promotes cell health.
Homelessness are social problem that impacts the health of a community for they are prone for a broad range of acute and chronic illnesses because they lack proper nutrition, good hygiene and they could be deprived of medical assistance.
Once they are sick, they could spread the infection to one community to the other because they have the tendency to hop on one place to the other where they can take shelter. Therefore, they could be a carrier of bacteria and viruses that will put the health of a community at risk.
C. Skates that have three wheels with a pick